FastColoredTextBoxNS.PlatformType.GetOperationSystemPlatform C# (CSharp) Method

        public static Platform GetOperationSystemPlatform()
        {
            var sysInfo = new SYSTEM_INFO();

            // WinXP and older - use GetNativeSystemInfo
            if (Environment.OSVersion.Version.Major > 5 ||
                (Environment.OSVersion.Version.Major == 5 && Environment.OSVersion.Version.Minor >= 1))
            {
                GetNativeSystemInfo(ref sysInfo);
            }
                // else use GetSystemInfo
            else
            {
                GetSystemInfo(ref sysInfo);
            }

            switch (sysInfo.wProcessorArchitecture)
            {
                case PROCESSOR_ARCHITECTURE_IA64:
                case PROCESSOR_ARCHITECTURE_AMD64:
                    return Platform.X64;

                case PROCESSOR_ARCHITECTURE_INTEL:
                    return Platform.X86;

                default:
                    return Platform.Unknown;
            }
        }